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3 years ago

This takes place immediately after death.

Chemistry

2 answers:

Sphinxa [80]3 years ago

5 0

Uhhh Rigor Mortis ?

Korolek [52]3 years ago

3 0

Answer: decomposition

Explanation:

it happens several minutes after

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A sunscreen preparation contains 2.60 % by mass benzyl salicylate. If a tube contains 6.0 oz of sunscreen, how many kilograms of

Marrrta [24]

Answer : The mass of benzyl salicylate needed to manufacture 350 tubes of sunscreen are, 1.55 kg

Explanation :

As we are given that a sunscreen preparation contains 2.60 % by mass benzyl salicylate. That means, 2.60 grams of benzyl salicylate present in 100 g of solution.

First we have to convert the given mass from oz into kg.

Conversion used:

1 kg = 35.274 oz

or,

$1oz=\frac{1}{35.274}kg$

So,

$6oz=\frac{6oz}{1oz}\times \frac{1}{35.274}kg=0.1701kg$

Now we have to determine the mass of benzyl salicylate.

As, 100 g of solution contains mass of benzyl salicylate = 2.60 g

So, 0.1701 kg of solution contains mass of benzyl salicylate = $\frac{2.60g}{100g}\times 0.1701kg=0.00442kg$

Now we have to determine the mass of benzyl salicylate are needed to manufacture 350 tubes of sunscreen.

Mass of benzyl salicylate in 350 tubes of sunscreen = 0.00442 kg × 350

Mass of benzyl salicylate in 350 tubes of sunscreen = 1.55 kg

Thus, the mass of benzyl salicylate needed to manufacture 350 tubes of sunscreen are, 1.55 kg

6 0

4 years ago

I NEED HELP!!! I WILL RATE BRAINLIEST!!!!

icang [17]

It is 3 moles. Don't doubt urself

4 0

4 years ago

Find the number of moles of water that can be formed if you have 126 mol of hydrogen gas and 58 mol of oxygen gas.

Elden [556K]

Since a water molecule is H2O, you would divide 126 hydrogen molecules by 2, and you would get 63. That means you have 63 double hydrogen molecules, and 58 oxygen molecules to pair up with them. So that means you could have 58 molecules of water, with 5 double hydrogen molecules, so basically 10 extra molecules of hydrogen along with the H2O molecules. Hope I helped! :)

6 0

4 years ago

Read 2 more answers

There are several types of inclined planes. A _______ is made by placing two inclined planes back to back. A ______ is made by w

Kamila [148]

A Wedge is made by placing two inclined planes back to back.

A Screw is made by wrapping an inclined plane around a cylinder.

<u>Explanation:</u>

A wedge is an uncomplicated machine that consists of two sloping planes, providing it a thin end and thick end.
A wedge is used to separate or split apart objects.
Force is employed to the thick end of the wedge, and in turn, applies force to the object along both of its sloping sides.
A screw is a simplistic machine that consists of an inclined plane wrapped around a cylinder or cone.
The absolute mechanical benefit of wedges and screws is invariably higher than 1.

6 0

3 years ago

The following models illustrate chemical reactions between X (red atoms) and Y (blue atoms). The "?" mark in each frame represen

Yuri [45]

The frames are shown below.

Answer:

Part 1: Starting material = 5X and 8Y, ? = 1X;

Part 2: Starting material = 4X₂ and 3Y₂, ? = 1X₂;

Part 3: Starting material = 4X₂ and 4Y₂, ? = 2X₂;

Part 4: Starting material = 2X₂ and 3Y₂X, ? = X.

Explanation:

Part 1

Each ball represents one atom, thus there are 5X and 8Y as starting materials. In the products there's 4X and 8Y forming 4 Y₂X, so ? = 1X.

Part 2

In this case, there are presented X₂ and Y₂ because the atoms are joined together, so the starting material is 4X₂ and 3Y₂. In the product, there are 6 YX, so it reacts 3X₂ and 3Y₂, and ? = 1 X₂.

Part 3

As in part 2 the atoms are joined together, so there are 4X₂ and 4Y₂. In the product, there are 4Y₂X, so it reacts 2X₂ and 4Y₂, so ? = 2X₂.

Part 4

The starting material now is 2X₂ and 3Y₂X, the product is 3Y₂X₂, so it reacts 3Y₂X and 3/2 X₂, thus ? = 1X.

6 0

3 years ago